Valenzuela Salazar

This book is a series of research presented in different national and international forums. This second volume is the result of the activities carried out by the Academic Body of the Faculty, and credit is given to the Autonomous University of Coahuila, an institution of higher education as a recognition to this maximum house of studies in the State of Coahuila. The teachers are authors, editors and designers of this academic production, which will be used to promote and disseminate knowledge.